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Paul Bartsch with underwater camera (1926) Jacques-Yves Cousteau, pioneer of scuba diving and underwater photography and film-making. Norwegian diving pioneer Odd Henrik Johnsen with underwater camera (1960s) Agnes Milowka. 1856 — William Thompson takes the first underwater pictures using a camera mounted on a pole.
Image credits: Sasha Weilbaker #3 Wetsuits. Unlike whales, beavers don’t have layers of blubber to keep them warm when they dive into chilly water. Instead, their thick fur traps air among the ...
Scuba diving tourism is a growth industry, and it is necessary to consider environmental sustainability, as the expanding impact of divers can adversely affect the marine environment in several ways, and the impact also depends on the specific environment. Tropical coral reefs are more easily damaged by poor diving skills than some temperate ...
Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface breathing gas supply, and therefore has a limited but variable endurance. [1] The word scuba is an acronym for "Self-Contained Underwater Breathing Apparatus" and was coined by Christian J. Lambertsen in a patent ...
Finswimming is an underwater sport consisting of four techniques involving swimming with the use of fins either on the water's surface using a snorkel using either monofins or bifins (i.e. one fin for each foot) or underwater with monofin either by holding one's breathe or underwater using open circuit scuba diving equipment.
The scope of this portal includes the technology supporting diving activities, the physiological and medical aspects of diving, the skills and procedures of diving and the training and registration of divers, underwater activities which are to some degree dependent on diving, economical, commercial, safety, and legal aspects of diving, biographical information on notable divers, inventors and ...
Rebreather diving, closed-circuit or semi-closed-circuit scuba; Freediving or breathhold diving, where the diver completes the dive on a single breath of air taken at the surface before the dive. Snorkelling allows breathing at the surface with the face submerged, and is used as an adjunct to free diving and scuba.
Panulirus ornatus (known by a number of common names, including tropical rock lobster, [3] [4] ornate rock lobster, [5] ornate spiny lobster [2] and ornate tropical rock lobster [6]) is a large spiny lobster with 11 larval stages.